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Finding the Fourth Proportional to 157,963.02, 217,989.41 and 94,299.45

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Solution

The fourth proportional to 157,963.02, 217,989.41 and 94,299.45 is: 130,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,963.02 : 217,989.41 = 94,299.45 : x
  2. Step 2: Convert to fraction form
    157,963.02/217,989.41 = 94,299.45/x
  3. Step 3: Cross multiply
    157,963.02x = 217,989.41 × 94,299.45
  4. Step 4: Simplify right side
    157,963.02x = 20,556,280,997.33
  5. Step 5: Solve for x
    x = 20,556,280,997.33/157,963.02
  6. Step 6: Final answer
    x = 130,133.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.